18217964406217212

Names of 18217964406217212

• Cardinal: 18217964406217212 can be written as Eighteen quadrillion, two hundred seventeen trillion, nine hundred sixty-four billion, four hundred six million, two hundred seventeen thousand, two hundred twelve.

Scientific notation

• Scientific notation: 1.8217964406217212 × 10¹⁶

Factors of 18217964406217212

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 50336

Divisors of 18217964406217212

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 169 182 234 252 273 338 364 468 507 546 676 819 1014 1092 1183 1521 1638 2028 2197 2366 3042 3276 3549 4394 4732 6084 6591 7098 8788 10647 13182 14196 15379 19773 21294 26364 28561 30758 39546 42588 46137 50311 57122 61516 79092 85683 92274 100622 114244 138411 150933 171366 184548 199927 201244 257049 276822 301866 342732 352177 399854 452799 514098 553644 599781 603732 654043 704354 799708 905598 1028196 1056531 1199562 1308086 1408708 1799343 1811196 1962129 2113062 2399124 2616172 3169593 3598686 3924258 4226124 4578301 5886387 6339186 7197372 7848516 8502559 9156602 11772774 12678372 13734903 17005118 18313204 23545548 25507677 27469806 34010236 41204709 51015354 54939612 59517913 76523031 82409418 102030708 110533267 119035826 153046062 164818836 178553739 221066534 238071652 306092124 331599801 357107478 442133068 535661217 663199602 714214956 773732869 994799403 1071322434 1326399204 1436932471 1547465738 1989598806 2142644868 2321198607 2531196721 2873864942 3094931476 3979197612 4310797413 4642397214 5062393442 5747729884 6963595821 7593590163 8621594826 9284794428 10058527297 10124786884 12932392239 13927191642 15187180326 17243189652 17718377047 20117054594 22780770489 25864784478 27854383284 30175581891 30374360652 32905557373 35436754094 40234109188 45561540978 51729568956 53155131141 60351163782 65811114746 70873508188 90526745673 91123081956 98716672119 106310262282 120702327564 131622229492 159465393423 181053491346 197433344238 212620524564 230338901611 296150016357 318930786846 362106982692 394866688476 427772245849 460677803222 592300032714 637861573692 691016704833 855544491698 921355606444 1184600065428 1283316737547 1382033409666 1711088983396 2073050114499 2566633475094 2764066819332 2994405720943 3849950212641 4146100228998 5133266950188 5561039196037 5988811441886 7699900425282 8292200457996 8983217162829 11122078392074 11977622883772 15399800850564 16683117588111 17966434325658 22244156784148 26949651488487 33366235176222 35932868651316 38927274372259 50049352764333 53899302976974 66732470352444 72293509548481 77854548744518 100098705528666 107798605953948 116781823116777 144587019096962 155709097489036 200197411057332 216880528645443 233563646233554 289174038193924 350345469350331 433761057290886 467127292467108 506054566839367 650641585936329 700690938700662 867522114581772 1012109133678734 1301283171872658 1401381877401324 1518163700518101 2024218267357468 2602566343745316 3036327401036202 4554491101554303 6072654802072404 9108982203108606 18217964406217212
• Sum of all divisors σ(n): 57016460918182584
• Sum of proper divisors (its aliquot sum) s(n): 38798496511965372
• 18217964406217212 is an abundant number, because the sum of its proper divisors (38798496511965372) is greater than itself. Its abundance is 20580532105748160

Bases of 18217964406217212

• Binary: 1000000101110010010010001100000111101101001100111111100₂
• Hexadecimal: 0x40B92460F699FC
• Base-36: 4ZDQ9B5K5J0

Squares and roots of 18217964406217212

• 18217964406217212 squared (18217964406217212²) is 331894227106197253805159325052944
• 18217964406217212 cubed (18217964406217212³) is 6046437216049673360695531960867044124824664072128
• The square root of 18217964406217212 is 134973939.7299242057
• The cube root of 18217964406217212 is 263127.7283752501

Scales and comparisons

• 18,217,964,406,217,212 seconds is equal to 579,274,916 years, 13 weeks, 1 day, 9 hours, 40 minutes, 12 seconds.
• To count from 1 to 18,217,964,406,217,212 would take you about one billion, seven hundred thirty-seven million, eight hundred twenty-four thousand, seven hundred forty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18217964406217212 cubic inches would be around 21927.3 feet tall.

Recreational maths with 18217964406217212

• 18217964406217212 backwards is 21271260446971281
• 18217964406217212 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18217964406217212's digits is 63
• More coming soon!